is there a electrical extension cord that only works when the sun is shining?

I have a above footing swimming pool and a wonderful homemade solar heater, but the heater will not work unless the pump is running. I would like the pump to run when the sun is out. So is there a electrical lengthening cord that only works when the


Ever agree of a timer?


No but you could use a timer.


Ever condone of a timer?


You impecuniousness a photo sensor with relay, like this one:
http://www.electronickits.com/kit/comple te/ligh/ck1003.htm

If what you are powering draws more than 10 amperes, you can either succeed the relay with a larger one, or use this one


decent get a photocell at the hardware store. You will also need a water tite junction box to mount the photocell on. wire the photocell into an shop. Be sure to check the amp rating .

How will the temperature of a 16K gallon pool be affected by heating 250 gallons of it from 70 to 102 degrees?

Wondering if my homemade solar bottled water heater makes a significant contribution to the overall temperature of the pool. Short video- http://www.youtube.com/notice of?v=fIQqWnDR2 Sk


Penitential, but just be looking at the relative volumes (16,000gal vs 250gal = 64:1) and the relative temp trade = (32° F), it would appear that the overall temp change would be of the order of 1/2 deg F.

Comment =>used gal proportion

Swimming pool covers, rental house with odd debris filled pool . Need cover advice!?

Ug, I sympathize with pool owners now! However can you provide one of these things in CA?? This is all the info I have on the problem, a bit long... sorry!

I am paying an absurd extra amount of capital to rent a house with a pool and spa.


Okay after reading your enquiry (which is way too long and takes forever to get to the point) I think you just need a cheap pool cover? If that's the occasion, just get a large painter's tarp and stretch it out across the pool. Use rocks or bricks to

Homemade Solar Pool Heater - Bookshelf


Solar Power Your Home For Dummies
384 pages
Solar Power Your Home For Dummies

The worst you can accomplish is a flooded roof or backyard — or maybe a bruised ego. Creating a Simple Homemade System A simple homemade solar pool-heating ...
About this book
Want to take advantage of solar power in your home? Whether you're looking to save on your energy costs by adding a few solar components or you want to build a solar-powered house from the ground up, "Solar Power For Dummies" takes the mystery out of this energy source and shows you how to put it to work for you!This friendly, hands-on guide is packed with tips for making your home more energy-efficient though solar power--and helping the planet at the same time. You'll see how to survey your home to determine your current household energy efficiency and use, and evaluate where solar power would best benefit you. You'll also calculate what the return on your investment will be before you make any decisions. Once you've decided on a project, you'll see whether it's best to hire a contractor or do it yourself. We leave no stone unturned--you'll also discover how to: Choose and install your best solar systemHandle small to large solar projectsHeat and cool your house with solar energyInstall...

Popular Science
132 pages
Popular Science

Of course, the pool's stored heat must come from somewhere— a solar pool heater, for example. Half-baked Alaska? I have a homemade solar ...
About this book
Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.

How to build a solar heater, a complete guide to building and buying solar panels, water heaters, pool heaters, barbecues, and power plants
236 pages
How to build a solar heater, a complete guide to building and buying solar panels, water heaters, pool heaters, barbecues, and power plants

MAKERS OF SOLAR HEATERS FOR POOLS This is only a partial list of those ... and price list for materials for a homemade solar collector for pools. ...


Homemade Solar Pool Heater - News


Patrick-Murray Administration Presents 5th Annual Leading by Example Awards
Massasoit is working with DCAM to carry out a comprehensive energy and water conservation performance contract which entails high-efficiency lighting, weatherization, new HVAC roof-top units, a retractable solar pool stand system, and high efficiency

Your Students, Your Schools - South
Students will be collecting copper pipes to be inured to for a solar water heater. Through these projects, students will gain a better understanding of the concepts in the areas of motion and thermal vigour. Eighth-grade literacy students apply the skills

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A Homemade Solar Pool Heater - Instructions To Build Your Own
Learn how to set up your own homemade solar pool heater that suits the size and location of your swimming pool.